diff --git a/lib/Api/SessionApi.php b/lib/Api/SessionApi.php
index fc47e51..3c9e1e5 100644
--- a/lib/Api/SessionApi.php
+++ b/lib/Api/SessionApi.php
@@ -48,9 +48,8 @@ class SessionApi
     public function __construct(\Reepay\ApiClient $apiClient = null)
     {
         if ($apiClient === null) {
-            $config = new Configuration();
-            $config->setHost($this->host);
-            $apiClient = new ApiClient($config);
+            Configuration::getDefaultConfiguration()->setHost($this->host);
+            $apiClient = new ApiClient();
         }
 
         $this->apiClient = $apiClient;